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Issue 26, 2012
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Nanocrystal ligand exchange with 1,2,3,4-thiatriazole-5-thiolate and its facile in situ conversion to thiocyanate

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Abstract

The 1,2,3,4-thiatriazole-5-thiolate anion (TTT) was found to be a strongly binding ligand for CdSe nanocrystals, quantitatively exchanging various long-chain ligands to yield stable colloidal suspensions in common polar solvents. The TTT ligand thermolyzes at <100 °C to produce thiocyanate in situ, resulting in reduced quantum confinement in nanocrystal films. CdSe(TTT) possesses far higher colloidal stability than CdSe(SCN), and that, together with the facile synthesis of TTT, implies that this is a useful ligand for nanocrystal applications as a masked thiocyanate.

Graphical abstract: Nanocrystal ligand exchange with 1,2,3,4-thiatriazole-5-thiolate and its facile in situ conversion to thiocyanate

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Publication details

The article was received on 27 Jan 2012, accepted on 05 Mar 2012 and first published on 08 Mar 2012


Article type: Communication
DOI: 10.1039/C2DT30197K
Citation: Dalton Trans., 2012,41, 7835-7838
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    Nanocrystal ligand exchange with 1,2,3,4-thiatriazole-5-thiolate and its facile in situ conversion to thiocyanate

    D. H. Webber and R. L. Brutchey, Dalton Trans., 2012, 41, 7835
    DOI: 10.1039/C2DT30197K

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